The files you're looking for, such as , are typically part of a multi-volume archive containing the USB recovery firmware for TVs using the TP.MT5522S.PC822 motherboard. This specific board is a common 4K Android chassis used in several budget brands like Polarline, Hamber, and Asano. Firmware Details Mainboard: TP.MT5522S.PC822 TV Model: Polarline 50PU11TC-SM Resolution: 3840x2160 (4K UHD) Panel: Often paired with PT500GT0-3 or similar

If you are missing the other parts of the archive, they are frequently hosted on technician forums such as:

The indicator will flash slowly during the update (5–7 minutes).

Typically allupgrade_5522_8G_1G_ref56.pkg (Note: the name may vary slightly based on the specific panel revision). Installation Guide

Unplug the TV, remove the USB drive, and then turn the TV back on.

: Excellent for user-shared firmware and troubleshooting for the Polarline PU11TC series.

: A reliable source for this exact chassis and model.

Press and hold the Power button on the TV body, then plug it into the outlet. Keep holding the button until the indicator light starts flashing (usually red). Wait for Completion: